Testaroo, Real, documented example files for testing

Dark moody blurred background, near (JPEG q90)

The same plate encoded once at JPEG quality 90. Blocking and ringing are bounded by that single pass, so a restorer can be scored against the PNG reference in this group rather than against an opinion Plate t-ph-dark2.

File: JPG · Comfy Realism · 1280 × 853 px
Use case: Media handling· Conversion set

Dark moody blurred background, near (lossless PNG)

A synthetic photographic plate of a soft low-detail background plate, 1024x683, lossless PNG. This is the reference every lossy variant in this group is derived from Plate t-ph-dark2.

File: PNG · Comfy Realism · 1024 × 683 px
Use case: Media handling· Conversion set

Dark moody blurred background, near (WebP q85)

The same plate as WebP at quality 85, for format-handling coverage beside the PNG and JPEG encodings of identical pixels Plate t-ph-dark2.

File: WEBP · Raster Formats · 1280 × 853 px
Use case: Media handling· Conversion set

Dark saloon car on a wet city (JPEG q25)

The same plate encoded once at JPEG quality 25. Blocking and ringing are bounded by that single pass, so a restorer can be scored against the PNG reference in this group rather than against an opinion Plate v-car-night.

File: JPG · JPEG Artefacts · 1024 × 1024 px
Use case: Media handling· Conversion set

Dark saloon car on a wet city (JPEG q50)

The same plate encoded once at JPEG quality 50. Blocking and ringing are bounded by that single pass, so a restorer can be scored against the PNG reference in this group rather than against an opinion Plate v-car-night.

File: JPG · JPEG Artefacts · 1024 × 1024 px
Use case: Media handling· Conversion set

Dark saloon car on a wet city (JPEG q75)

The same plate encoded once at JPEG quality 75. Blocking and ringing are bounded by that single pass, so a restorer can be scored against the PNG reference in this group rather than against an opinion Plate v-car-night.

File: JPG · JPEG Artefacts · 1024 × 1024 px
Use case: Media handling· Conversion set

Dark saloon car on a wet city (JPEG q90)

The same plate encoded once at JPEG quality 90. Blocking and ringing are bounded by that single pass, so a restorer can be scored against the PNG reference in this group rather than against an opinion Plate v-car-night.

File: JPG · Comfy Realism · 1024 × 1024 px
Use case: Media handling· Conversion set

Dark saloon car on a wet city (lossless PNG)

A synthetic photographic plate of a vehicle in context, 1024x1024, lossless PNG. This is the reference every lossy variant in this group is derived from Plate v-car-night.

File: PNG · Comfy Realism · 1024 × 1024 px
Use case: Media handling· Conversion set

Dark saloon car on a wet city (WebP q85)

The same plate as WebP at quality 85, for format-handling coverage beside the PNG and JPEG encodings of identical pixels Plate v-car-night.

File: WEBP · Raster Formats · 1024 × 1024 px
Use case: Media handling· Conversion set